@media screen and (max-height: 768px) and (max-width: 1366px){
    header,main {
        min-width: 990px;
    }
}
#desktop{
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0px;
    top: 0px;
    // transform: rotateY(180deg);
    object-fit: cover;
}
.shared_desktop_container{
    width:100%;
    height:100%;
    background:#C6CAD7;
    opacity:75%;
    & .shared_desktop_item{
        position: absolute;
        top: 40%;
        left: 50%;
        transform: translate(-50%, -40%);
        font-size: 16px;
        font-family: PingFangSC-Medium, "PingFang SC";
        color: #636B90;
    }
}
header{
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 52px;
    background: #F7F7F9;
    color: #fff; 
    padding: 0px 25px;
    border-bottom: 0.5px solid #EBEBF4;
}

.viewRolling{
    & .swipe-container{
        // height: 150px;
        position:relative;
        // background-color:#D9E2E5;
        // border-top-right-radius:25px;
        // border-bottom-right-radius: 25px;
        & .swipe-item-container{
            position:relative;
            text-align:center;
            background:#C6CAD7;
            margin-right:2px;
            & .dragIcon{
                display: none;
            }
            & .teacher-dragIcon:hover{
                cursor: pointer;
                .dragIcon{
                    display: block;
                }
            }
            & .text-container{
                width:100%;
                height:25px;
                padding:0 25px;
                position:absolute;
                bottom:0;
                background:rgba(140,149,174,.8);
                display:flex;
                align-items:center;
                justify-content:space-between;
                & .icon-container{
                    height:20px;
                    line-height: 25px;
                    & .iconPoniter{
                        cursor: pointer;
                    }
                }
            }
            
        }
    }
    & .arrow-left{
        width:15px;
        height:116px;
        background:#9A9B9C;
        position:absolute;
        top: 0;
        left:0px;
        border-top-left-radius:50px;
        border-bottom-left-radius: 50px;
        & .arrow-click{
            width:15px;
            position:absolute;
            top:50%;
            left:50%;
            transform:translate(-50%, -50%);
            &:hover{
                cursor: pointer;
            }
        }
    }
    & .arrow-right{
        width:15px;
        height:116px;
        background:#9A9B9C;
        position:absolute;
        top: 0;
        right:0px;
        border-top-right-radius:50px;
        border-bottom-right-radius: 50px;
        & .arrow-click{
            width:15px;
            position:absolute;
            top:50%;
            left:50%;
            transform:translate(-50%, -50%);
            &:hover{
                cursor: pointer;
            }
        }
    }
}

main{
    width: 100%;
    height: 80%;
    position: fixed;
    & .handle-whiteboard{
        height: 100%;
    }
    // 右侧浮层
    & .floating{
        position: absolute;
        right: 16px;
        bottom: 110px;
        & .van-image:hover{
            cursor: pointer;
        }
    }
}

.whiteboard{
    width: 100%;
    height: 100%;
    // background: #ddd;
    & .iframeContent{
        width: 100%;
        height: calc(100% - 25px);
        position: relative;
        >iframe{
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            border: none;
        }
    }
}